Excerpt Length

/**
This snippet will override placeholder #_EXCERPT which will
limit the event details to 120 characters with read more link.
*/
add_filter('em_event_output_placeholder','my_em_styles_placeholders',1,3);
function my_em_styles_placeholders($replace, $EM_Event, $result){
    switch( $result ){
        case '#_EXCERPT':

        $maxchars = 120;
        $text = $replace;

        if(strlen($text) > $maxchars) {
                $text = substr($text, 0, $maxchars);
                $position = strrpos($text, " ");
                if($position > 0) {
                    $text = substr($text, 0, $position);
                }
                return $text.'...<a href="'.$EM_Event->output('#_EVENTURL').'" class="eventreadmore">Read More...</a>';
        }

        break;
    }
    return $replace;
}